package com.sky.service.impl;

import com.sky.constant.MessageConstant;
import com.sky.constant.StatusConstant;
import com.sky.entity.Orders;
import com.sky.mapper.DishMapper;
import com.sky.mapper.OrderMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.mapper.UserMapper;
import com.sky.service.WorkspaceService;
import com.sky.vo.BusinessDataVO;
import com.sky.vo.DishOverViewVO;
import com.sky.vo.OrderOverViewVO;
import com.sky.vo.SetmealOverViewVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.net.ssl.SSLEngineResult;
import java.text.DecimalFormat;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.HashMap;
import java.util.Map;

/**
 * @Auther: zh
 * @Date: 2025/6/3 - 06 - 03 - 16:34
 * @Description: com.sky.service.impl
 * @version: 2.1
 */
@Service
public class WorkspaceServiceImpl implements WorkspaceService {
    /**
     * 营业额：当日已完成订单的总金额
     * 有效订单：当日已完成订单的数量
     * 订单完成率：有效订单数 / 总订单数
     * 平均客单价：营业额 / 有效订单数
     * 新增用户：当日新增用户的数量
     */

    @Autowired
    private UserMapper userMapper;
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private DishMapper dishMapper;
    @Autowired
    private SetmealMapper setmealMapper;



    /**
     * 查询今日运营数据
     * @return
     */
    public BusinessDataVO businessData(LocalDateTime begin,LocalDateTime end) {

        Map map = new HashMap();
        map.put("begin",begin);
        map.put("end",end);
        //查询总订单数
        Integer totalOrderCount = orderMapper.countByMap(map);
        //营业额
        map.put("status",Orders.COMPLETED);
        Double turnover =  orderMapper.sumByMap(map);
        turnover = turnover==null?0.0:turnover;
        //有效订单数
        Integer validOrderCount = orderMapper.countByMap(map);

        Double unitPrice = 0.0;
        Double orderCompletionRate = 0.0;

        if(totalOrderCount!=0&&validOrderCount!=0){
            //订单完成率
            orderCompletionRate = validOrderCount.doubleValue() / totalOrderCount;
            //平均客单价
            unitPrice = turnover / validOrderCount;
        }
        double roundedNumber = Math.round(unitPrice * 100.0) / 100.0;
        //新增用户数
        Integer newUsers = userMapper.countByMap(map);

        BusinessDataVO businessDataVO = new BusinessDataVO();
        businessDataVO.setNewUsers(newUsers);
        businessDataVO.setTurnover(turnover);
        businessDataVO.setUnitPrice(roundedNumber);
        businessDataVO.setOrderCompletionRate(orderCompletionRate);
        businessDataVO.setValidOrderCount(validOrderCount);

        return businessDataVO;
    }

    /**
     * 查询订单管理数据
     * @return
     */
    public OrderOverViewVO getOrderOverView() {
        Map map = new HashMap();
        map.put("begin", LocalDateTime.now().with(LocalTime.MIN));

        //订单状态 1待付款 2待接单 3已接单 4派送中 5已完成 6已取消
        //待接单
        map.put("status", Orders.TO_BE_CONFIRMED);
        Integer waitingOrders = orderMapper.countByMap(map);
        //待派送
        map.put("status", Orders.CONFIRMED);
        Integer deliveredOrders = orderMapper.countByMap(map);
        //已完成
        map.put("status",Orders.COMPLETED);
        Integer completedOrders = orderMapper.countByMap(map);
        //已取消
        map.put("status",Orders.CANCELLED);
        Integer cancelledOrders = orderMapper.countByMap(map);
        //全部订单
        map.put("status",null);
        Integer allOrders = orderMapper.countByMap(map);

        return OrderOverViewVO
                .builder()
                .waitingOrders(waitingOrders)
                .deliveredOrders(deliveredOrders)
                .completedOrders(completedOrders)
                .cancelledOrders(cancelledOrders)
                .allOrders(allOrders)
                .build();
    }

    /**
     * 查询菜品总览
     * @return
     */
    public DishOverViewVO getDishOverView() {

        Map map =  new HashMap<>();
        //查询起售菜品数量
        map.put("status",StatusConstant.ENABLE);
        Integer sold = dishMapper.countByMap(map);

        //查询停售菜品数量
        map.put("status",StatusConstant.DISABLE);
        Integer discontinued = dishMapper.countByMap(map);

        return DishOverViewVO
                .builder()
                .sold(sold)
                .discontinued(discontinued)
                .build();
    }

    /**
     * 查询套餐总览
     * @return
     */
    public SetmealOverViewVO getSetmealOverView() {
        Map map =  new HashMap<>();
        //查询起售菜品数量
        map.put("status",StatusConstant.ENABLE);
        Integer sold = setmealMapper.countByMap(map);

        //查询停售菜品数量
        map.put("status",StatusConstant.DISABLE);
        Integer discontinued = setmealMapper.countByMap(map);

        return SetmealOverViewVO
                .builder()
                .sold(sold)
                .discontinued(discontinued)
                .build();
    }
}
